baber/WOPTO huggingface dataset:
Patent RU-2217225-C2 (RU)
Title: Glass-coated axial-flow agitator
Inventor: KHAJNTSMANN MATTIAS GEORG
IPC: B01F25/60
Filed: 2000-03-23
Granted: 2003-11-27
Abstract: FIELD: axial-flow agitators. SUBSTANCE: proposed agitator includes hub with blades. Hub has central hole. Agitator has many corners and edges having rounded-off form for vitrification. Besides that, agitator includes at least two variable-pitch blades. Each blade has front and rear surfaces defined by inner edge having front and rear ends, outer edge having front and rear ends, front edge connecting the front end of inner edge with front end of outer edge and rear edge connecting the rear end of inner edge with rear end of outer edge. Outer edge of each blade is longer than inner edge by 1.5 to 2.5 times. Blades are symmetrically connected to hub over their inner edges in such way that their inner edges are positioned at angle of 45 to 60 deg. relative to central axis of hub and their outer edges are positioned at angle of 50 to 70 deg. relative to the same axis of hub. Angle of inner edges to central axis of hub is lesser than angle of outer edges to central axis by 6 to 12 deg. Hub and blades are continuously coated with glass. Proposed agitator forms larger flow as compared with turbine-type agitators provided with wings or inclined blades. EFFECT: enhanced efficiency. 20 cl, 7 dwg
Patent RU-2196278-C2 (RU)
Title: Flame-tube boiler
Inventor: KAMENSKIKH G G
IPC: F24H1/28
Filed: 2000-04-05
Granted: 2003-01-10
Abstract: FIELD: thermal engineering; water heating. SUBSTANCE: flame-tube boiler has cylindrical shell with front and rear tube sheets; flame tube disposed in its water space; two-pass fire-tube bundle formed by first-pass fire-tube bundle whose inlet ends are secured in rear tube sheet holes and outlet ones, in front one, as well as by second-pass fire-tube bundle whose inlet ends are secured in front tube sheet holes; rear swivel chamber between flame tube and fire-tube bundle whose front wall is made in the form of tube sheet rigidly fixed to the latter; cooling chamber disposed between rear swivel chamber and gas duct in water space with fire-tube ends of second bundle passed through this chamber and through holes in rear tube sheet wherefrom they enter gas duct. Assembly including rear swivel chamber, cooling chamber, and gas duct has split in whose plane second-pass fire tubes have taper joint. Cooling chamber is provided with water discharge tube communicating with water space of boiler and with circulating inlet feedwater branch pipe; cooling chamber wall opposing flame tube is shielded by refractory wall. EFFECT: enhanced efficiency of burnt fuel heat utilization; enhanced reliability and repairability. 3 dwg
Patent RU-2198327-C2 (RU)
Title: Composite sliding support and method of its manufacture
Inventor: BERESTNEV OLEG VASIL EVICH
IPC: F16C33/00
Filed: 2000-05-03
Granted: 2003-02-10
Abstract: FIELD: mechanical engineering; construction of bearing units. SUBSTANCE: sliding support includes steel base, aluminum layer or layer of its alloy and layer of oxidoceramics with layer of thermoplastic polymer laid between steel base and aluminum layer or layer of its alloy; polymer of said layer is selected from group including polyamide, polyvinyl chloride, polyethylene and polyethylene terephthalate. Steel base has projections and recesses made in staggered order; height of their profile exceeds thickness of polymer layer by 1.2-1.4 times; aluminum layer or layer of its alloy has surface which is complementary to layer. EFFECT: enhanced strength; improved vibroisolating characteristics. 3 cl, 1 dwg, 1 tbl
Patent RU-2171930-C2 (RU)
IPC: F16H3/74
Filed: 2000-05-17
Granted: 2001-08-10
Abstract: FIELD: mechanical engineering; transport engineering; machine tool manufacture. SUBSTANCE: proposed transmission includes input shaft 1 and output shaft 2, carrier 5 with radial axles 6 on which locked internal wheels 7 and external wheels 8 of main satellites are located coaxially, auxiliary satellites 9 and additional satellites 19 which are thrown into engagement with drive central wheel 3 and driven central wheel 4 secured in transmission housing 10 by means of immovable bearing wheel 11 and movable bearing wheel 18; wheel 18 is linked with input shaft 1 by means of hollow intermediate shaft 17 and two pairs of gear wheels (15, 13 and 14, 16). Wheel 13 and 14 are secured on bearing shaft 12 mounted in transmission housing 10 in parallel with axis 0-0. Transfer and conversion of torque in wide ranges at any modes of operation are effected through braking rotation of carrier 5 with its radial axles 6 due to change in directions of vectors of moment of momentum and flywheels 20 connected with them at their simultaneous rotation around axis 0-0 and geometric axes O 1 O 1  of radial axles 6 of carrier which is identical to their rotation about central point O 1  of intersection of these axes. EFFECT: extended range of variation of power gear ratio between drive and driven shafts in direct dependence on driven shaft load. 8 cl, 2 dwg
Patent RU-2189585-C2 (RU)
Title: Eddy-current pickup
Inventor: DAVYDOV V F
IPC: G01N27/90
Filed: 2000-06-28
Granted: 2002-09-20
Abstract: FIELD: measurement technology, test of vibration of moving parts of rotor machines in power engineering, of turbo-pump aggregates in oil and gas industry and in some other branches of industry. SUBSTANCE: winding of proposed eddy-current pickup comes in the form of regular polygon. The bigger is number of sides of polygon the nearer its area approaches to area of circle and the greater is inductance. Eddy-current pickup has several spiral windings displaced one relative another through angle at which sides of polygon spirals are not parallel one another. Spiral windings are placed on dielectric bases assembled in tablet. Such design of pickup ( increased number of side and displacement of adjacent windings one with reference to another ) improves factor-of-merit and sensitivity of pickup. EFFECT: improved factor-of-merit and sensitivity of pickup. 4 dwg
Patent RU-2193391-C2 (RU)
Inventor: LANG ZHERAR
IPC: A61K8/00
Filed: 1998-12-21
Granted: 2002-11-27
Abstract: FIELD: cosmetics. SUBSTANCE: invention relates to composition for oxidative keratin fibers staining and, in part, hair comprising direct acid dye fixing in oxidation and comprising in its structure at least one sulfo-group or at least one carboxyl-group and enzyme of laccase type in corresponding for staining medium. Invention proposes also method of staining using this composition and kit for keratin fibers staining. Invention provides intense and chromatic colors no causing hair destruction with low selectivity and resistance against aggressive effects. EFFECT: improved properties of composition. 32 cl, 1 ex
Patent RU-2198158-C2 (RU)
Title: Способ получения спиртов
Inventor: SHCHELKUNOV ANATOLIJ VLADIMIRO
IPC: C25B3/25
Filed: 2001-02-22
Granted: 2003-02-10
Abstract: Изобретение относится к способу получения спиртов, применяемых в парфюмерии, при получении полимеров, красителей и других продуктов промышленного органического синтеза. Способ заключается в электрокаталитическом гидрировании соответствующих кетонов и альдегидов в двукамерном электролизере с ионообменной диафрагмой, катодом, активированным скелетным никелевым катализатором, и анодом из платины или магнетита. В качестве католита используют водный раствор неокисляющейся соли или ее смеси с гидроксидом щелочного металла. Как правило, концентрация неокисляющейся соли -1-15 мас.%, гидроксида щелочного металла - не более 5 мас.%. Способ позволяет увеличить срок действия катализатора без уменьшения выхода по току и веществу. 1.з.п. ф-лы, 2 табл.
Patent RU-2230673-C2 (RU)
Title: Усиленный борт радиальной пневматической шины
Inventor: OKSERR PASKAL
IPC: B60C15/06
Filed: 1999-07-12
Granted: 2004-06-20
Abstract: Изобретение относится к автомобильной промышленности и предназначено преимущественно для тяжелых транспортных средств. Каждый борт усилен при помощи по меньшей мере двух дополнительных подкрепляющих арматур, а именно по меньшей мере одной первой арматурой, сформированной из радиальных подкрепляющих элементов, и по меньшей мере одной второй арматурой, сформированной из металлических подкрепляющих элементов, образующих с окружным направлением угол между нулем и сорока пятью градусами. Причем первая арматура подкрепления образована по меньшей мере одним слоем, обмотанным вокруг бортового кольца закрепления внутри упомянутой арматуры каркаса для формирования двух ветвей таким образом, что внутренняя в осевом направлении ветвь на участке между нижним в радиальном направлении концом ее верхнего в радиальном направлении края, параллельного меридиональному профилю арматуры каркаса, и ее точкой касания с бортовым кольцом закрепления имеет траекторию, проходящую по так называемому “кратчайшему пути”. В результате повышается надежность и прочность шины. 6 з.п. ф-лы, 3 ил.
Patent RU-2260424-C2 (RU)
Inventor: DE-BRUEJN KAREL
IPC: A61P1/04
Filed: 1999-08-19
Granted: 2005-09-20
Abstract: FIELD: medicine, pharmacy. 
     SUBSTANCE: invention relates to a solid pharmaceutical composition. The composition comprises tegaserod or its salts as an active component that is sensitive to acid effect and/or difficultly soluble in water, and a loosening agent taken in the amount at least 15 wt.-% as measured for the total mass of the composition. The composition is stable and can be prepared easily, it shows good rate release after its administration   patients and good biological availability. The composition is designated for prophylaxis, modulation or treatment of visceral pain or discomfort, for modulation of visceral sensitivity or perception, improvement of sensory perception of rectum intestine tension and for treatment of anal dysfunction regulation. 
     EFFECT: improved and valuable medicinal properties of composition. 
     14 cl, 7 ex
Patent RU-2196149-C2 (RU)
Inventor: LUZGAREV S V
IPC: C08G77/06
Filed: 2001-03-30
Granted: 2003-01-10
Abstract: FIELD: rubber industry. SUBSTANCE: invention relates to hardening high-molecular polydimethylsiloxane rubbers that can be used to form protective temperatureresistant and chemically stable coatings on ferrous and nonferrous metals, their alloys, and other materials as well as for manufacturing electric insulation. Method is accomplished by means of UV irradiation in presence of photoinitiators, in particular organic carbonyl-bearing aromatic compounds of the ketone and quinone series (derivatives of benzophenone, xanthone, thioxanthone, anthrone, antraquinone) in amounts 0.005-0.01 mole per 1 kg rubber, at temperature 90-110 C in inert medium. EFFECT: improved quality of coatings due to lower destruction of polymer and reduced cost of technology. 1 tbl
Patent RU-2199651-C2 (RU)
Title: Method protecting operating string of injection well against attack of pumped chemically corrosive water
Inventor: ZAKIROV A F
IPC: E21B41/02
Filed: 2001-04-09
Granted: 2003-02-27
Abstract: FIELD: oil and gas industry. SUBSTANCE: method protecting operating string of injection well against attack of pumped chemically corrosive water includes setting of tubing string in well at needed depth, filling of tubular annulus with sealing compound. Glass reinforced plastic pipes are employed in the capacity of tubing string. Walls of operating well are examined for chemical and physical wear prior to sinking of tubing string. Cement mortar is used as substance with sealing property. Tubular annulus is filled with corrosion inhibitor before injection of cement mortar. If wear of operating string exceeds permissible level string of glass reinforced plastic pipes of maximum possible diameter is sunk and cemented to wellhead. EFFECT: protection of operating string against corrosion, diminished technical effect on environment. 1 cl, 2 dwg
Patent RU-2230760-C2 (RU)
Inventor: BASTIOLI KATIJA
IPC: C08L3/00
Filed: 1999-09-22
Granted: 2004-06-20
Abstract: FIELD: polymer materials. 
     SUBSTANCE: invention relates to starch-incompatible hydrophobic-nature polymers containing, as filler, starch complexes in the form of very small-size particles. These particles, dispersed in polymer matrix, are characterized by average-number size below 1 mcm and water solubility at 100 о С below 20% by weight. Complex is bound to polymer matrix with the aid of coupling agent carrying groups compatible both with matrix and with starch complexes. Preparation procedure comprises mixing, in molten state or under hot plasticizing conditions, starch-polymer complex with hydrophobic polymer in presence of coupling agents. In another embodiment, starch-polymer complex is mixed with rubber at treatment temperature between 140 and 160 о С in presence of coupling agent. Profiled products, in the form of film or bags for compost, or tire, contain above-defined polymer and starch complex. 
     EFFECT: improved properties of tires, films, and compost bags due to filling of polymer with very small dispersed starch complex particles. 
     22 cl, 21 ex
Patent RU-2199367-C2 (RU)
Inventor: BOLTUNOV E I
IPC: B01D17/00
Filed: 2001-05-03
Granted: 2003-02-27
Abstract: FIELD: fuel cleaning equipment; shipboard cleaning equipment used for cleaning diesel fuels from water and mechanical admixtures. SUBSTANCE: proposed separator has vertical cylindrical housing, settler with admixture discharge branch pipe, expansion chamber with deflector whose upper part is made in form of plate made from truncated cone and lower part is made in form of plate made from cone whose vertex is directed upward. Lower plate is provided with straightening unit . Baffle plate mounted above deflector plates is made in form of plate from truncated cone with lesser base downward. Guide tube before expansion chamber of deflector is provided with attachment and deflecting ring in form of truncated cone whose lesser base is directed upward is mounted on upper plate near its outer edge. EFFECT: enhanced efficiency. 3 cl, 2 dwg
Patent RU-2207806-C2 (RU)
Inventor: L VOVICH I JA
IPC: A61B5/05
Filed: 2001-05-23
Granted: 2003-07-10
Abstract: FIELD: medical engineering. SUBSTANCE: device has measuring, additional and two indifferent electrodes, resistor, three amplifiers, current-voltage converter, to adders, two voltage dividers, controllable voltage source, key, subtraction unit, reference voltage source, multi-vibrator unit, two memory units, two comparator units, control unit, and two recorder units. EFFECT: high accuracy in measuring transformations and reliability of diagnosis data. 2 dwg
Patent RU-2214928-C2 (RU)
Title: Recuperator
Inventor: GULEVSKIJ A N
IPC: B60K6/12
Filed: 2001-07-16
Granted: 2003-10-27
Abstract: FIELD: transport engineering. SUBSTANCE: invention is designed for accumulation of energy at vehicle braking with subsequent return of energy for acceleration of vehicle. Proposed recuperator contains mechanical energy accumulator mechanically connected with vehicle wheels and connected by pipelines with receiver and controls and installed with possibility of accumulation and consumption of compressed air energy in receiver, respectively, at braking and running. Novelty is that recuperator contains heat exchanger installed for exchanger of heat of compressed air circulating between receiver and mechanical energy accumulator. Mechanical energy accumulator is made in form of rotary vane compressor whose rotor is mechanically connected with vehicle wheels. Receiver and pipelines are provided with heat insulating sheathing. EFFECT: increased efficiency of vehicle and recuperator, reduced consumption of fuel, improved ecological characteristics. 1 dwg
Patent RU-2214465-C2 (RU)
Title: Method of production of high-purity isotope- enriched metallic chromium
Inventor: MARUKHIN V S
IPC: C22B34/32
Filed: 2001-09-14
Granted: 2003-10-20
Abstract: FIELD: production of high- purity isotope-enriched metallic chromium by reduction of its trivalent oxide at heating in hydrogen atmosphere. SUBSTANCE: proposed method is performed by reduction of trivalent oxide of metallic chromium in hydrogen atmosphere at temperature of 1440-1520 C. Hydrogen is continuously passed through reactor containing chromium oxide; reactor is placed in hermetic chamber filled with argon whose pressure exceeds pressure of hydrogen by 0.2-0.4 kgf/sq cm. Reactor is heated by means of high-frequency current inductor. Reduction process is conducted at two stages: at first stage, temperature of heating ranges from 1440 to 1460 C at 30-min delay; at second stage, temperature of heating ranges from 1500 to 1520 C at 10-min delay. EFFECT: increased yield of isotopes of metallic chromium. 3 cl, 1 tbl
Patent RU-2212403-C2 (RU)
Title: Способ получения 4,4'-дихлордифенилсульфона
Inventor: PROKSHITS O V
IPC: C07C317/14
Filed: 2001-10-10
Granted: 2003-09-20
Abstract: Изобретение относится к способу получения 4,4-дихлордифенилсульфона, который является мономером в производстве полиариленсульфонов - термостойких полимеров конструкционного и электроизоляционного назначения. Способ осуществляют путем взаимодействия хлорбензола с 4-хлорбензолсульфокислотой в присутствии 4-хлорбензолсульфохлорида при 100-165 o С и эквимольном соотношении реагентов до прекращения выделения хлористого водорода и затем превращают побочную 4-хлорбензолсульфокислоту в 4-хлорбензолсульфохлорид действием хлорокиси фосфора в мольном соотношении к исходной 4-хлорбензолсульфокислоте 0,33-1,1:1 при 140-165 o C с последующим выделением 4,4'-дихлордифенилсульфона и смеси 4-хлорбензолсульфохлорида с 4,4'-дихлордифенилсульфоном. Смесь 4-хлорбензолсульфохлорида с 4,4'-дихлордифенилсульфоном без очистки может быть направлена на синтез 4,4'-дихлордифенилсульфона на следующую операцию. Способ позволяет существенно увеличить выход целевого продукта и исключить образование отхода 4-хлорбензолсульфокислоты. 3 з.п. ф-лы.
Patent RU-2214320-C2 (RU)
Inventor: KALASHNIKOV V A
IPC: B23G1/00
Filed: 2001-12-17
Granted: 2003-10-20
Abstract: FIELD: tube making industry branches, manufacture of couplings of casing, pump-compressor, oil and gas pipelines having at both sides similar-dimension threads. SUBSTANCE: method comprises steps of working during one stage both threads of coupling blank by means of tool mounted in boring bar; moving boring bar along axis parallel relative to thread slope; mutually turning cutting surfaces of tool by angle equal to 180 degrees; in order to enhance accuracy and efficiency and to enlarge manufacturing possibilities, limiting length of tube coupling by allowance range not exceeding at least half of axial allowance range for position of measuring plane of thread gage relative to end face of coupling at testing thread by means of said thread gage; moving boring bar along axis passing through geometry center of coupling; working both threads by means of pairs of tools mutually shifted along axis and radially spaced from it; changing from pass to pass radial spacing of tools due to shifting tools relative to boring bar. EFFECT: enhanced accuracy and efficiency of working, enlarged manufacturing possibilities of method. 3 cl, 1 dwg
Patent RU-2216704-C2 (RU)
Inventor: KNEBEL MAN V M
IPC: F41C9/06
Filed: 2002-01-03
Granted: 2003-11-20
Abstract: FIELD: weaponry. SUBSTANCE: invention is related to military equipment, namely, to multibarrel pistols designed for underwater shooting and firing in the air to considerable distances. Multibarrel pistol has block containing four barrels and firing mechanism of self-cocking type comprising frame with cock, trigger carrying trigger lever with trigger cam. In accordance with invention pistol is fitted with second block comprising four barrels which is made physically integral with first block by common base. Firing mechanism is equipped with second frame with cock, second trigger lever with trigger cam. Each trigger lever is provided with additional tooth interacting in turn with one of two rows of ratchet sectors arranged in opposition and displaced through 180 degrees relative one another which are made on drum and comprise four teeth spaced by 45 degrees. Eight sockets interacting with spring-loaded plunger put on base are made in center of drum. Drum is provided with two safety surfaces arranged in opposition and coming in the form of semicircles preventing inertial pricking of cap by cock free at given moment. EFFECT: increased practical firing rate of multibarrel pistol. 1 cl, 7 dwg
Patent RU-2223160-C2 (RU)
Inventor: CHINNOV A V
IPC: B21D22/02
Filed: 2002-02-13
Granted: 2004-02-10
Abstract: FIELD: plastic metal working, possibly manufacture of parts from tubular blanks. SUBSTANCE: die set includes stationary plate supporting lower die with recesses and dents on working surface. Dents of lower die correspond to configuration of shaped dents of part and they have inlet cone member. Recesses are made according to condition of contact absence between them and inner members of part to be formed by means of slides mounted on stationary plate. Working surface of slides corresponds to configuration of shaped members of tubular part. Die set has movable plate carrying wedge in the form of cone engaging with slides. EFFECT: simplified design of die set, enhanced operational reliability of die set, improved accuracy of made parts. 2 dwg
Patent RU-2222408-C2 (RU)
Inventor: LITVINENKO S A
IPC: B21K1/46
Filed: 2002-03-15
Granted: 2004-01-27
Abstract: FIELD: plastic metal working, possibly manufacture of parts such as flanged bolts. SUBSTANCE: method comprises steps of first reduction of rod after cutting off blank; preliminarily upsetting cylindrical head; upsetting flange and shaping hexagon; realizing preliminarily upsetting after first reduction in order to make cylindrical head with diameter whose value is determined according to given relation; making hexagon by preliminarily reducing cylindrical head to hexagon and upsetting it; performing preliminarily reducing after preliminarily upsetting cylindrical head. EFFECT: possibility for making flanged bolts without flash, with lowered size of flange, enhanced strength of tool, improved quality of articles. 1 dwg
Patent RU-2277545-C2 (RU)
Inventor: BAUER SHTEFAN
IPC: C08G65/12
Filed: 2000-10-02
Granted: 2006-06-10
Abstract: FIELD: polymer production. 
     SUBSTANCE: invention relates to polyester- and polyether-based block copolymers prepared via catalytic addition of alkylene oxides to polyester-polyols. Polyesters are obtained by reaction of bifunctional alcohols with bifunctional carboxylic acids. Catalyst is selected from compounds based on metal cyanides. 
     EFFECT: enabled production of polyols with polyester and polyether groups in molecule by simple ways, which polyols have no disadvantages of products obtained by reaction of polyether-polyols with multifunctional carboxylic acids. 
     6 cl, 6 ex
Patent RU-2235194-C2 (RU)
Inventor: IBRAGIMOV N G
IPC: E21B43/11
Filed: 2002-06-06
Granted: 2004-08-27
Abstract: FIELD: oil industry, particularly well boring equipment. 
     SUBSTANCE: tool comprises base, electric motor, reducer with output shaft kinematically linked with hollow drive shaft, bearing rollers, guide bushing, conductor-and-support cable and indicator for indicating flexible shaft displacement. Arranged inside hollow drive shaft is flexible shaft with cutting means formed as milling cutter. Device has support legs, cylinder with slide valve, reserve chamber for oil, oil pump and discharge line. Pump is kinematically connected to output shaft of reducer. Oil pump is linked with hollow drive shaft by means of discharge line to create force enough for flexible shaft displacement and with support leg to secure tool inside stem. Slide valve divides cylinder into two cavities. One cavity is filled with air and located above slide valve. Another cavity arranged under slide valve is filled with oil and connected to suction line of pump. Slide valve provides communication between lower cylinder cavity and reserve chamber. Indicator is located directly on flexible shaft in font of guide bushing. 
     EFFECT: increased reliability, decreased cost for tool production and operation. 
     5 dwg